Hi Hana, Use the paste function to create your file names.
for ( i in 1:dim(M)[1] ) save( M[i,,], file=paste("M_", i, ".img", sep="") ) Alternatively, use the sprintf function to get names with leading zeroes for easier sorting of files: for (i in 1:dim(M)[1] ) save( M[i,,], file=sprintf("M_%03d.img", i) ) Michael On 22 November 2010 16:27, Hana Lee <hana...@email.unc.edu> wrote: > Hi! > > I have a matrix called M with dimension (586,100,100). I would like to split > and save this into 586 matrices with dimension 100 by 100. > I have tried the following for loops but couldn't get it work.. > > l<-dim(M)[1] > for (i in (1:l)){ > save(M[i,,],file = "M_[i].img") > } > > Can somebody help me with this? Thanks! > > Hana Lee > > [[alternative HTML version deleted]] > > ______________________________________________ > R-help@r-project.org mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide http://www.R-project.org/posting-guide.html > and provide commented, minimal, self-contained, reproducible code. > ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.